When should I use a HashSet in C#?
An example of an AI chatbot conversation about when to use HashSet in C#.
When should I use a HashSet in C#?
You should use a HashSet in C# when you need a collection that ensures unique elements and offers fast lookups.
What are the advantages of using HashSet over List?
HashSet provides O(1) time complexity for lookups, while List has O(n). HashSet also prevents duplicate entries.
Can you give me an example of when to use it?
Sure! Use HashSet when you need to store a collection of unique user IDs for quick access without duplicates.
Are there any downsides to using HashSet?
Yes, HashSet uses more memory than List and doesn't maintain the order of elements.
How does HashSet handle collisions?
HashSet uses a hashing algorithm to manage collisions, ensuring that each element is stored efficiently.
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